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CVE-2021-39202

Published: 9 September 2021

WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. In affected versions the widgets editor introduced in WordPress 5.8 beta 1 has improper handling of HTML input in the Custom HTML feature. This leads to stored XSS in the custom HTML widget. This has been patched in WordPress 5.8. It was only present during the testing/beta phase of WordPress 5.8.

Priority

Medium

CVSS 3 base score: 5.4

Status

Package Release Status
wordpress
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

hirsute Ignored
(reached end-of-life)
impish Ignored
(reached end-of-life)
jammy Needs triage

trusty Does not exist

upstream Not vulnerable
(debian: Vulnerable code introduced later)
xenial Ignored
(out of standard support)